Robert O. Lee (1921-2002) was the leader of scientific expeditions to Mexico and South America. Collection includes correspondence, diaries, reports, articles, transparencies, maps and supply lists from three American Quintana Roo Expeditions in Mexico, 1965-1968, Vinson Massif Expedition in Antarctica, 1964-1965, and Rio Mezquital Expedition in Mexico, 1970.

Audio recordings of oral history interviews and conversations with people associated with the Portland Art Museum. The interviews were conducted over a period of three years, from approximately 1990 to 1993. Most were conducted by Robert Peirce, who was then the librarian at the art museum. Interviewees include Bob Sitton, Bill Foster, Clyde Rice, William Givler, Pietro Belluschi, Marian Kolisch, Francis J. Newton, Robert O. Lee, and members of the Portland Art Museum Women's Council.